ardc.net

Observed Jul 24, 2026, 01:54 UTC (7h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

2 subdomains · tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat ardc.net actually stands on - every host below is a signed observation

ardc.net

A / AAAA

44.1.2.70

unattributedserves the site

ns1.de.ardc.neta.gw4.ukns.ardc.netns2.us.ardc.net

ardc.net + gw4.ukanswers its DNS

ns.ardc.netmail.ardc.net

ardc.netreceives its email

TLS

www.ardc.net

Let's Encryptissued its certificate

DNS Records

A 1

44.1.2.70

MX 2

50ns.ardc.net
10mail.ardc.net

TXT 4

v=spf1 ip4:44.1.1.0/24 ip4:44.1.2.73 ip6:2a0a:bb00:44::/64 ~all
apple-domain-verification=f7jEkXsAKwLVM19P
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@ardc.net; ruf=mailto:dmarc@ardc.net; fo=1;
v=STSv1; id=2024010601

NS 4

ns1.de.ardc.net
a.gw4.uk
ns.ardc.net
ns2.us.ardc.net

SOA 1

ns.ardc.net hostmaster.ardc.net

CAA 1

issue "letsencrypt.org"

TLS Certificates (4)

Common Name	Issuer	Expires
`www.ardc.net`	C=US, O=Let's Encrypt, CN=YE1	Tue, 29 Sep 2026 22:04:37 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (2)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for ardc.net. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/ardc.net">
  <img src="https://domaindrift.io/badge/ardc.net.svg"
       width="300" height="64" alt="DomainDrift signed observations for ardc.net">
</a>

Ed25519 Receipt

Receipt ID: rcpt_39cfddfe0deb613a
Output Hash: b931db77e458c5e37bf54350f3e30dba2221e2813594fe00e2f9d67a2780f864
Signature: ed25519:3490f1feb4aa79c4a416882ec7dc75433f537a43d5211c0f9beb23db1eb73959ed2028f5066e42542c1d4a1e795ee129c2c5acd1f0dfa6d50ce375f6a7e6a90b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/ardc.net